ex·trav·a·gan·za 
(ĭk-străv′ə-gănzə)
(ĭk-străv′ə-gănzə)n.
1. An elaborate, spectacular entertainment or display: "Washington is an extravaganza of great buildings, greenery, and monuments" (Larry Griffin).
2. Music A composition marked by freedom and diversity of form, often with burlesque elements and satirical or parodic intent.
[Italian estravaganza, extravagance, from estravagante, extravagant, from Medieval Latin extrāvagāns, extrāvagant-, present participle of extrāvagārī, to wander; see EXTRAVAGANT.]